%!PS
%%BoundingBox: 15 -30 121 45 
%%Creator: MetaPost
%%CreationDate: 2007.06.08:1001
%%Pages: 1
%*Font: cmr10 9.96265 9.96265 41:f0000000000001c
%%EndProlog
%%Page: 1 1
 0 0.5 dtransform truncate idtransform setlinewidth pop [] 0 setdash
 1 setlinecap 1 setlinejoin 10 setmiterlimit
newpath 40.81819 24.94447 moveto
27.21213 11.33841 lineto stroke
newpath 40.81819 24.94447 moveto
54.42426 11.33841 lineto stroke
newpath 68.03032 38.55054 moveto
40.81819 24.94447 lineto stroke
newpath 68.03032 38.55054 moveto
95.24245 24.94447 lineto stroke
newpath 95.24245 24.94447 moveto
81.63638 11.33841 lineto stroke
newpath 95.24245 24.94447 moveto
108.84851 11.33841 lineto stroke
 1 setgray
newpath 27.21213 11.33841 moveto
15.87372 -29.47978 lineto
38.55054 -29.47978 lineto
 closepath fill
 0 setgray
newpath 27.21213 11.33841 moveto
15.87372 -29.47978 lineto
38.55054 -29.47978 lineto
 closepath stroke
23.47612 -14.79642 moveto
(A) cmr10 9.96265 fshow
 1 setgray
newpath 54.42426 11.33841 moveto
43.08585 -15.87372 lineto
65.76266 -15.87372 lineto
 closepath fill
 0 setgray
newpath 54.42426 11.33841 moveto
43.08585 -15.87372 lineto
65.76266 -15.87372 lineto
 closepath stroke
50.8958 -9.35408 moveto
(B) cmr10 9.96265 fshow
 1 setgray
newpath 81.63638 11.33841 moveto
70.29797 -29.47978 lineto
92.9748 -29.47978 lineto
 closepath fill
 0 setgray
newpath 81.63638 11.33841 moveto
70.29797 -29.47978 lineto
92.9748 -29.47978 lineto
 closepath stroke
78.03874 -14.79642 moveto
(C) cmr10 9.96265 fshow
 1 setgray
newpath 108.84851 11.33841 moveto
97.5101 -29.47978 lineto
120.18692 -29.47978 lineto
 closepath fill
 0 setgray
newpath 108.84851 11.33841 moveto
97.5101 -29.47978 lineto
120.18692 -29.47978 lineto
 closepath stroke
105.04332 -14.79642 moveto
(D) cmr10 9.96265 fshow
 1 setgray
newpath 37.98358 29.85416 moveto
34.2041 27.67207 34.2041 22.21687 37.98358 20.03479 curveto
41.76306 17.85272 46.4874 20.5803 46.4874 24.94447 curveto
46.4874 29.30862 41.76306 32.03622 37.98358 29.85416 curveto closepath fill
 0 setgray
newpath 37.98358 29.85416 moveto
34.2041 27.67207 34.2041 22.21687 37.98358 20.03479 curveto
41.76306 17.85272 46.4874 20.5803 46.4874 24.94447 curveto
46.4874 29.30862 41.76306 32.03622 37.98358 29.85416 curveto closepath stroke
38.18915 22.79973 moveto
(x) cmr10 9.96265 fshow
 1 setgray
newpath 65.19571 43.46022 moveto
61.41623 41.27814 61.41623 35.82294 65.19571 33.64085 curveto
68.97519 31.45879 73.69952 34.18637 73.69952 38.55054 curveto
73.69952 42.91469 68.97519 45.64229 65.19571 43.46022 curveto closepath fill
 0 setgray
newpath 65.19571 43.46022 moveto
61.41623 41.27814 61.41623 35.82294 65.19571 33.64085 curveto
68.97519 31.45879 73.69952 34.18637 73.69952 38.55054 curveto
73.69952 42.91469 68.97519 45.64229 65.19571 43.46022 curveto closepath stroke
65.40128 37.37439 moveto
(y) cmr10 9.96265 fshow
 1 setgray
newpath 92.40784 29.85416 moveto
88.62836 27.67207 88.62836 22.21687 92.40784 20.03479 curveto
96.18732 17.85272 100.91165 20.5803 100.91165 24.94447 curveto
100.91165 29.30862 96.18732 32.03622 92.40784 29.85416 curveto closepath fill
 0 setgray
newpath 92.40784 29.85416 moveto
88.62836 27.67207 88.62836 22.21687 92.40784 20.03479 curveto
96.18732 17.85272 100.91165 20.5803 100.91165 24.94447 curveto
100.91165 29.30862 96.18732 32.03622 92.40784 29.85416 curveto closepath stroke
93.02852 22.79973 moveto
(z) cmr10 9.96265 fshow
showpage
%%EOF
